Diffraction Gratings includes the following learning objectives:
- Understand the derivation of n?=dsin? and recognise the relevance of path difference in the construction of maxima;
- Recall and use n?=dsin?;
- Understand a diffraction grating has the effect of creating sharper orders that are much further apart;
- Appreciate the benefits of using diffraction gratings in interference experiments rather than double slits;
- Describe techniques and procedures to determine the wavelength of light using diffraction gratings.
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